package com.xyc.springcloud.controller;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.xyc.springcloud.pojo.Dept;
import com.xyc.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

// 提供restful服务
@RestController
public class DeptController {

    @Autowired
    DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrix_get")
    public Dept get(@PathVariable("id") Integer id) {
        Dept dept = deptService.queryById(id);

        /*
        如果抛出异常，走熔断
         */
        if (dept == null) {
            throw new RuntimeException("id=>" + id + "，不存在该用户，或信息无法找到！");
        }
        return dept;
    }

    // 备用方法
    @GetMapping("/dept/get/{id}")
    public Dept hystrix_get(@PathVariable("id") Integer id) {
        Dept dept = deptService.queryById(id);
        return new Dept()
                .setDeptno(id)
                .setDname("id=>" + id + "，不存在该用户，或信息无法找到！")
                .setDb_source("no this database in MySQL!");
    }
}
